A small tool to view real-world ActivityPub objects as JSON! Enter a URL
or username from Mastodon or a similar service below, and we'll send a
request with
the right
Accept
header
to the server to view the underlying object.
{
"@context": [
"https://www.w3.org/ns/activitystreams",
"https://w3id.org/security/v1",
{
"manuallyApprovesFollowers": "as:manuallyApprovesFollowers",
"toot": "http://joinmastodon.org/ns#",
"featured": {
"@id": "toot:featured",
"@type": "@id"
},
"featuredTags": {
"@id": "toot:featuredTags",
"@type": "@id"
},
"alsoKnownAs": {
"@id": "as:alsoKnownAs",
"@type": "@id"
},
"movedTo": {
"@id": "as:movedTo",
"@type": "@id"
},
"schema": "http://schema.org#",
"PropertyValue": "schema:PropertyValue",
"value": "schema:value",
"discoverable": "toot:discoverable",
"suspended": "toot:suspended",
"memorial": "toot:memorial",
"indexable": "toot:indexable",
"attributionDomains": {
"@id": "toot:attributionDomains",
"@type": "@id"
},
"Hashtag": "as:Hashtag",
"focalPoint": {
"@container": "@list",
"@id": "toot:focalPoint"
}
}
],
"id": "https://mastodon.social/users/HIprocessor",
"type": "Person",
"following": "https://mastodon.social/users/HIprocessor/following",
"followers": "https://mastodon.social/users/HIprocessor/followers",
"inbox": "https://mastodon.social/users/HIprocessor/inbox",
"outbox": "https://mastodon.social/users/HIprocessor/outbox",
"featured": "https://mastodon.social/users/HIprocessor/collections/featured",
"featuredTags": "https://mastodon.social/users/HIprocessor/collections/tags",
"preferredUsername": "HIprocessor",
"name": "Benjamin Winkel",
"summary": "<p>Radio astronomer, Python programmer, Spectrum manager, amateur astro photographer; <a href=\"https://mastodon.social/tags/EBHIS\" class=\"mention hashtag\" rel=\"tag\">#<span>EBHIS</span></a>, <a href=\"https://mastodon.social/tags/HI4PI\" class=\"mention hashtag\" rel=\"tag\">#<span>HI4PI</span></a></p><p>Chair of the Committee on Radio Astronomy Frequencies <a href=\"https://mastodon.social/tags/CRAF\" class=\"mention hashtag\" rel=\"tag\">#<span>CRAF</span></a></p>",
"url": "https://mastodon.social/@HIprocessor",
"manuallyApprovesFollowers": false,
"discoverable": true,
"indexable": true,
"published": "2025-06-08T00:00:00Z",
"memorial": false,
"alsoKnownAs": [
"https://astrodon.social/users/HIprocessor"
],
"publicKey": {
"id": "https://mastodon.social/users/HIprocessor#main-key",
"owner": "https://mastodon.social/users/HIprocessor",
"publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqssYdd+gBYwWyt7cMxQI\nMtRwSgCCxa3qwrkD+RifQhTZ4BpFfSEj/qGEe4SuBTe1kR0rjjTKLVq2NQUx3TVx\nCGs2rttg0hExqU+XWM4PwxjD+R89MR1ar7PyQBxd6rrlKd4uBZch89fffqncNdjt\nt3hsr5cU7L1b+rlqG8R9TheGCNfRir3HObdxe/m5NmiF+RCFCw5kpW6dZcHG5Apt\nyyMG1LS5zESSInpHLuDpryUyUPIzZ65CtXbrTVepT2CwIPbpC6vQJx3aMst2RLUb\ngljI1QLjZOh1zzclqpAryzQqapM00H0+MkJYX+DEx40ta03c0nr9M47u77N1YDsk\ndwIDAQAB\n-----END PUBLIC KEY-----\n"
},
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/hi4pi",
"name": "#hi4pi"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/ebhis",
"name": "#ebhis"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/craf",
"name": "#craf"
}
],
"attachment": [],
"endpoints": {
"sharedInbox": "https://mastodon.social/inbox"
},
"icon": {
"type": "Image",
"mediaType": "image/jpeg",
"url": "https://files.mastodon.social/accounts/avatars/114/647/429/674/191/715/original/e252e6a2e5a3371d.jpg"
},
"image": {
"type": "Image",
"mediaType": "image/jpeg",
"url": "https://files.mastodon.social/accounts/headers/114/647/429/674/191/715/original/afac105ccd6b27b6.jpg"
}
}